Epson EPL-5000 Service Manual page 127

Appendix
Pin No.
Al
A2
A3
A4
A5
A6
A7
A8
A9
AlO
1
A l a
A22, 23
A24, 25
B2
B3
B4
B5
B6
B7
B8
B9
Table A-4. CN5 Pin Assignment
Signal Name
o
ASX
0
LDSX
—
NC
o
0
A2
A4 0
A6 0
A8 0
0
0
0
0
A l a 0
0
D3
D5
D7
—
—
+5
o
UDSX
0
—
o
A l
0
A3
0
A5
0
A7
0
A9
0
Al 1
0
0
0
Al 7
0
DO
D2
D4
D6
Da
o
RWX
0
FCEX
0
MCLK
Laser 1000/1500 Service Manual
Description
Address strobe
Lower data strobe
Not connected
Font cartridge enable
Address bus bit 2
Address bus bit 4
Address bus bit 6
Address bus bit 8
Address bus bit 10
Address bus bit 12
Address bus bit 14
Address bus bit 16
Address bus bit 18
Address bus bit 20
Data bus bit 1
Data bus bit 3
Data bus bit 5
Data bus bit 7
Data bus bit 9
Data bus bit 11
Data bus bit 13
Ground
+5 VDC
Upper data strobe
Address decode
Ground
Address bus bit 1
Address bus bit 3
Address bus bit 5
Address bus bit 7
Address bus bit 9
Address bus bit 11
Address bus bit 13
Address bus bit 15
Address bus bit 17
Address bus bit 19
Data bus bit O
Data bus bit 2
Data bus bit 4
Data bus bit 6
Data bus bit 8
Data bus bit 10
Data bus bit 12
Data bus bit 14
Data bus bit 15
Read/write strobe
Font cartridge enable
Clock from CPU
Rev. A